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All Product Types > Housed Unit Bearings > Spherical Roller Bearing Solid-Block Housed Units > Timken Part Number QAC18A080S  
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Timken Part Number QAC18A080S, Single Concentric


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Spherical Roller Bearing Solid-Block Housed Units feature rugged cast-steel housings and double-row spherical roller bearings. Designed to offer protection from contaminants, these housed units accommodate shaft sizes from 1-7/16” to 7” (40 mm to 180 mm) and most metric sizes. This product line was formerly known as “QM Blue Brute Bearings.”



Note: Some products have both imperial and metric dimensions. Selecting “Metric” below will hide the imperial dimensions. Selecting “Both” will display all dimensions.


Unit of Measure: Imperial | Metric | Both 

Specifications · Dimensions · Radial and Thrust Factors · Eng Seal Speed · Eng Bearing Attributes · Eng Internal Radial Clearance

Specifications

Engineering Group

Mounted Bearing

Bearing Number

22218

Shaft Size

80 mm

Shaft Size Type

Metric

Weight

32.000 lb

Locking Style

Single Concentric

Full Timken Part Number

QAC18A080S
QAC18A080SB
QAC18A080SC
QAC18A080SEB
QAC18A080SEC
QAC18A080SEM
QAC18A080SEN
QAC18A080SEO
QAC18A080SET
QAC18A080SM
QAC18A080SN
QAC18A080SO
QAC18A080ST

Dimensions

Dimension BC

8.63 in

Dimension B Fix

2.88 in

Dimension B Exp

2.96 in

Dimension C

5.13 in

Dimension D

7.380 in

Dimension E

6.1000 in

Dimension F

10.340 in

Dimension G

7.375 in

Dimension H

1.0000 in

Dimension J

0.7500 in

Dimension KA

1.44 in

Dimension L Exp

4.27 in

Dimension L Fix

4.19 in

Dimension M

2.59 in

Dimension N

1.31 in

Dimension RA

0.16 in

Dimension SA

4.03 in

Radial and Thrust Factors

C - Dynamic Load (Basic)

79700 lb
355 kN

C0 - Dynamic Load (Static)

87200 lb
388 kN

e - Geometry Factor

0.23

Y1 - Geometry Factor

2.9

Y2 - Geometry Factor

4.31

Eng Seal Speed

Oil Lubrication - M/N Seal

1400 rpm

Oil Lubrication - T Seal

2400 rpm

Oil Lubrication - B/C/O Seal

1000 rpm

Grease Lubrication - M/N Seal

1400 rpm

Grease Lubrication - T Seal

2000 rpm

Grease Lubrication - B/C/O Seal

1000 rpm

Eng Bearing Attributes

Float

0.083 in
2.108 mm

Shaft Tolerance

0.003 in
0.076 mm

Eng Internal Radial Clearance

Eng Internal Radial Clearance - Min

0.0024

Eng Internal Radial Clearance - Max

0.0039

Pre Install Clearance Min

0.060 mm

Pre Install Clearance Max

0.100 mm


 DOWNLOADS 

width= Eng Seal Temperatures
(JPG, 26KB)

width= Eng Mounted Bearing Load Ratings
(JPG, 31KB)

width= QAC Series Ipart.ipt

width= QAC18A080S.dxf

width= QAC18A080S.igs

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